論文 - 甘糟 和男
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Association of density and sound-speed contrast with maturity stage of Antarctic krill in the eastern Indian sector of the Southern Ocean
R. Matsukura, H. Doiguchi, N. Yamamoto, K. Abe, K. Amakasu, Y. Fukuda, K. Hasegawa, T. Mukai, and H. Murase , 2024年09月
Fisheries Science
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Biomass of Antarctic krill (Euphausia superba) in the eastern Indian sector of the Southern Ocean (80–150°E) in the 2018–19 austral summer
K. Abe, R. Matsukura, N. Yamamoto, K. Amakasu, R. Nagata, and H. Murase , 2023年09月
Progress in Oceanography , 218 , 103107
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Volume backscattering spectra measurements of Antarctic krill using a broadband echosounder
N. Yamamoto, K. Amakasu, K. Abe, R. Matsukura, T. Imaizumi, T. Matsuura, and H. Murase , 2023年05月
Fisheries Science , 89 (3) , 301 - 315
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Effects of fast Fourier transform window size on the target strength spectra of tungsten carbide spheres
J. Liu, B. Saygili, A. Iwasa, N. Yamamoto, T. Imaizumi, and K. Amakasu , 2023年03月
Fisheries Science , 89 (2) , 147 - 157
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Estimated ammonium regeneration potentials of two common euphausiid species (Euphausia superba and E. crystallorophias) off Adélie Land, East Antarctica, in austral summer, 2008
A. Ono, F. Hashihama, K. Amakasu, and M. Moteki , 2022年09月
Polar Biology , 45 (9) , 1523 - 1528
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Annual variation of oceanographic conditions changed migration timing of bowhead whales Balaena mysticetus in the southern Chukchi Sea
K. Tsujii, M. Otsuki, T. Akamatsu, K. Amakasu, M. Kitamura, T. Kikuchi, A. Fujiwara, H. Shirakawa, K. Miyashita, Y. Mitani , 2021年11月
Polar Biology , 44 (12) , 2289 - 2298
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A broadband target strength measurement method for weakly scattering animals using a 50-ms-long linear frequency modulated signal in a small tank
B. Saygili, S. Tsuyuki, J. Liu, N. Yamamoto, K. Kobayashi, and K. Amakasu , 2021年09月
Fisheries Science , 87 (5) , 627 - 638
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Possible fluid discharge associated with faults observed by a high-resolution dense-2D seismic reflection survey in Uchiura Bay off Numazu, Japan
T. Tsuru, J-O. Park, K. Amakasu, T. No, K. Arai, T. Inoue, S. Furuyama, K. Uchida, and Y. Nakamura , 2020年08月
Earth, Planets and Space , 72 , 121
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A new seismic survey technology using underwater speaker detected a low‑velocity zone near the seafloor: an implication of methane gas accumulation in Tokyo Bay
T. Tsuru, K. Amakasu, J. Park, J. Sakakibara, and M. Takanashi , 2019年03月
Earth, Planets and Space , 71 , 31
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An environment-friendly MCS survey by using underwater speakers in Tokyo Bay
T. Tsuru, J. Park, M. Takanashi, K. Arai, T. Inoue, S. Furuyama, K. Amakasu, K. Takao, M. Ogawa, and S. Shimizu , 2018年11月
Proceedings of the 13th SEGJ International Symposium, 2018
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Proposal to use fish-length-to-wavelength ratio characteristics of backscatter from fish for species identification
M. Furusawa and K. Amakasu , 2018年10月
The Journal of the Marine Acoustics Society of Japan , 45 (4) , 183 - 196
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Distributions of larval and juvenile/adult stages of the Antarctic myctophid fish, Electrona antarctica, off Wilkes Land in East Antarctica
M. Moteki, K. Fujii, K. Amakasu, K. Shimada, A. Tanimura, and T. Odate , 2017年10月
Polar Science , 12 , 99 - 108
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Measurement of the volume-backscattering spectrum of an Antarctic krill aggregation using a broadband signal and inference of length-density distribution
K. Amakasu, T. Mukai, and M.Moteki , 2017年10月
Polar Science , 12 , 79 - 87
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Seasonal dynamics of zooplankton in the southern Chukchi Sea revealed from acoustic backscattering strength
M. Kitamura, K. Amakasu, T. Kikuchi, and S. Nishino , 2017年10月
Continental Shelf Research , 133 , 47 - 58
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GPSプロッタ魚群探知機に取り付ける簡易型音響資源調査システムの試作
宮本佳則, 内田圭一, 甘糟和男, 長谷川浩平, Y. Theparoonart, M. Anongponyoskun, 石川智士, Y. Minlee, 笹倉豊喜 , 2016年09月
海洋音響学会誌 , 43 (2) , 71 - 78
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The timing of migration of fin whales monitored by passive acoustic methods in the southern Chukchi Sea
K. Tsujii, M. Otsuki, T. Akamatsu, I. Matsuo, K. Amakasu, M. Kitamura, T. Kikuchi, K. Miyashita, and Y. Mitani , 2016年09月
ICES Journal of Marine Science , 73 (8) , 2085 - 2092
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Estimation of target strength of Sardina pilchardus and Sardinella aurita by theoretical approach
S. El Ayoubi, K. Mamza, T. Fujino, K. Abe, K. Amakasu, and K. Miyashita , 2016年09月
Fisheries Science , 82 (3) , 417 - 423
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Strong turbulent mixing induced by internal bores interacting with internal tide-driven vertically-sheared flow
E. Masunaga, O. B. Fringer, H. Yamazaki, and K. Amakasu , 2016年09月
Geophysical Research Letters , 43 (5) , 2094 - 2101
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Computer simulation of broadband single-target echo waveforms and its application
K. Amakasu , 2014年09月
The Journal of the Marine Acoustics Society of Japan , 41 (4) , 183 - 190
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電池推進船と内燃機関船の水中音の比較
西村真佐人, 清水悦郎, 甘糟和男, 杜 宇航, 大出 剛, 賞雅寛而 , 2013年09月
日本マリンエンジニアリング学会誌 , 48 (4) , 560 - 565
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Application of multilayer piezoelectric actuators to broadband backscattering measurements of aquatic animals
K. Amakasu, Y. Mishima, T. Sasakura, T. Mukai, and K. Sawada , 2013年09月
The Journal of the Marine Acoustics Society of Japan , 40 (3) , 126 - 137
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Basin-scale distribution and biomass estimation of Japanese anchovy Engraulis japonicas in the western North Pacific
H. Murase, A. Kawabata, H. Kubota, M. Nakagami, K. Amakasu, K. Abe, K. Miyashita, and Y. Oozeki , 2012年09月
Fisheries Science , 78 (4) , 761 - 773
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Sexual dimorphism in body shape of Antarctic krill (Euphausia superba) and its influence on target strength
K. Amakasu, A. Ono, M. Moteki, and T. Ishimaru , 2011年09月
Polar Science , 5 , 179 - 186
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魚類の腹腔内に挿入したピンガの送波音圧の変化
宮城亜紀, 甘糟和男, 安部幸樹, 今泉智人, 宮本佳則, 柿原利治 , 2011年09月
日本水産学会誌 , 77 (5) , 791 - 798
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Euphausiid community structure and population structure of Euphausia superba off Adélie Land in the Southern Ocean during austral summer 2003, 2005 and 2008
A. Ono, M. Moteki, K. Amakasu, R. Toda, N. Horimoto, D. Hirano, T. Ishimaru, and G. W. Hosie , 2011年09月
Polar Science , 5 (2) , 146 - 165
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In situ and ex situ target strength measurement of mesopolagic lanternfish, Diaphus theta (Family Myctophidae)
K. Sawada, K. Uchikawa, T. Matsuura, H. Sugisaki, K. Amakasu, and K. Abe , 2011年09月
Journal of Marine Science and Technology , 19 (3) , 267 - 272
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Effect of depth-dependent target strength on biomass estimation of Japanese anchovy
H. Murase, A. Kawabata, H. Kubota, M. Nakagami, K. Amakasu, K. Abe, K. Miyashita, and Y. Oozeki , 2011年09月
Journal of Marine Science and Technology , 19 (3) , 267 - 272
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Distribution and density of Antarctic krill (Euphausia superba) and ice krill (E. crystallorophias) off Adélie Land in austral summer 2008 estimated by acoustical methods
K. Amakasu, A. Ono, M. Moteki, T. Ishimaru , 2011年09月
Polar Science , 5 (2) , 187 - 194
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The analysis of echotrace obtained by split-beam echosounder to observe tilt angle dependence of fish target strength in situ
M. Furusawa and K. Amakasu , 2010年09月
ICES Journal of Marine Science , 67 (2) , 215 - 230
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カタクチイワシ(Engraulis japonicus)の鰾形状およびターゲットストレングスと体長の関係
甘糟和男, 貞安一廣, 安部幸樹, 高尾芳三, 澤田浩一, 石井 憲 , 2010年09月
海洋音響学会誌 , 37 (1) , 46 - 59
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Multilayer biological structure and mixing in the upper water column of Lake Biwa during summer 2008
H. Yamazaki, H. Honma, T. Nagai, M. Doubell, K. Amakasu, and M. Kumagai , 2010年04月
Limnology , 11 (1) , 63 - 70
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Pelagic fish distribution and ontogenetic vertical migration in common mesopelagic species of Lutzow-Holm Bay (Indian Ocean sector, Southern Ocean) during austral summer
M. Moteki, N. Horimoto, R. Nagaiwa, K. Amakasu, T. Ishimaru, and Y. Yamaguchi , 2009年09月
Polar Biology , 32 (10) , 1461 - 1472
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ターゲットストレングス推定に必要なミナミマグロ (Thunnus maccoyii) 幼魚の魚肉内音速測定
安部幸樹, 澤田浩一, 甘糟和男, 高尾芳三, 徳山浩三 , 2007年09月
海洋音響学会誌 , 34 (1) , 25 - 33
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The target strength of Antarctic krill (Euphausia superba) measured by the split-beam method in a small tank at 70 kHz
K. Amakasu and M. Furusawa , 2006年09月
ICES Journal of Marine Science , 63 (1) , 36 - 45
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Quantifying sea bottom surface backscattering strength and identifying bottom fish habitat by quantitative echo sounder
H. M. Manik, M. Furusawa, and K. Amakasu , 2006年09月
Japanese Journal of Applied Physics , 45 (5B) , 4865 - 4867
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Measurement of sea bottom surface backscattering strength by quantitative echo sounder
H. M. Manik, M. Furusawa, and K. Amakasu , 2006年09月
Fisheries Science , 72 (3) , 503 - 512
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音響によるナンキョクオキアミの計量方法に関する研究
甘糟和男 , 2005年03月
東京水産大学博士学位論文
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スプリットビーム方式と小型水槽を用いる小型生物のターゲットストレングスの測定方法
甘糟和男, 古澤昌彦, 樊 春明 , 2003年09月
日本水産学会誌 , 69 (4) , 575 - 583